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Selected:Failure Mode and Effects AnalysisATAM (Architecture Tradeoff Analysis Method)Service BlueprintingFishbone Diagram
| Criterion |  Operations Failure Mode and Effects Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  UX Design Service Blueprinting |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | High | High | High | Low |
Timedifferent | 2-6 h | Several meetings plus preparation and analysis; total effort depends on scope | 0.5-2 Tage | 30-60 min |
Participantsdifferent | 3-10 | Evaluation team, architects, and relevant stakeholders | 6-12 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Service Blueprint, Fail Points, Ownership Map | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | RiskQualityOperationsRoot cause | ArchitectureQualityRiskTradeoffsStakeholders | Service designOperationsJourneyBlueprint | Root causeQualityOperations |